Re: [Chrysler300] 300D Vibration

["Don Verity" <d.verity@xxxxxxx>]

You would think that a tire priced that high would be of higher quality. I run the Hunter machine where I work, and it is an excellent machine for solving problems. Poor quality tires still take a lot of weight, and this is usually accompanied by a lot of run out. The machine also does not measure "hard spots on the rim". It measures the runout of the rim, and the stiffness of the tire side wall, and suggests the best location to mount the tire on the rim. It is not a fast process, as it requires letting the air out and re-positioning the tire on the rim. The best tires I have seem for run-out and minimal weight are still Michelin's, Bridgestone is pretty good too. Here is a link to the Hunter web site http://www.hunter.com/pub/product/balancer/index.htm?gclid=CKjykait-JoCFSMgDQodxjw3dg

300ly,
Don Verity

  ----- Original Message ----- 
  From: Edward Mills Antique Tractors 
  To: rob kern 
  Cc: chrysler300@xxxxxxxxxxxxxxx ; pennsy300@xxxxxxx 
  Sent: Saturday, June 06, 2009 3:23 PM
  Subject: Re: [Chrysler300] 300D Vibration





  Sounds like a lot of overkill - if you need to do that with $200 Coker 
  Tires, I would send them back as defective with a bill for shipping and 
  mounting.

  rob kern wrote:
  >
  >
  > Terry,
  > Take the car in for the tires to be balanced with a Hunter Road Force 
  > system. This is highly recommended with Coker radials. I did this with 
  > Mopsy and it smoothed the ride form 0 to 105. I didn't have the nerve 
  > to go faster because of the speed rating of the tires. The Hunter Road 
  > Force system mates the soft spots of the tire to the hard spots of the 
  > rim and applies up to 4000psi road force to determine where the 
  > mismatch lies. You probably will have to look on line who in your 
  > vacinity has the machine. 300'ly, ROB KERN
  > ----- Original Message -----
  > From: pennsy300@xxxxxxx <mailto:pennsy300%40aol.com>
  > To: chrysler300@xxxxxxxxxxxxxxx <mailto:chrysler300%40yahoogroups.com>
  > Sent: Friday, June 05, 2009 4:45 PM
  > Subject: [Chrysler300] 300D Vibration
  >
  > My 300D convert (with the new Coker radials) has a significant vibration,
  > but only between 45 and 50 mph. Above or below this speed all is just
  > perfect. My question: Is this characteristic typical of tire problems, 
  > wheel
  > alignment, or something else? I sure would like to get it fixed. Thanx
  > for whatever help is out there. Terry McTaggart
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  > 



  

[Non-text portions of this message have been removed]



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